Want to learn more about the topic in this week's video? Here are some key words/phrases to get your googling started: - Lifting Condensation Level (LCL): The altitude at which the water vapor in rising air begins to condense - Adiabatic...

Today is exciting, because Jessi and Squeaks are making parachutes! Tag along to learn how you can make your own, and what forces are being used to make your parachute work!

Today Hank kicks off our look around MISSION CONTROL: your nervous system.


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Sensory Input, Int
egration and Motor Output 1:36
Organization of
Central and Peri
pheral Systems...

Today we’ll cover the fourth and final of our core disciplines of engineering: chemical engineering. We’ll talk about its history and evolution going from soda ash competitions to oil refineries and renewable energies. We’ll also discuss...

Pop culture is changing thanks to a different kind of storytelling, says digital strategist Hyeonmi Kim. They're called webtoons: comic-like illustrations published in short segments and meant to be read on a smartphone in five to 10...

Roe v. Wade, the landmark 1973 Supreme Court decision protecting people's right to have an abortion in the United States, will be overturned within a year, says reproductive rights attorney Kathryn Kolbert. In this electrifying call to...

In this video Paul Andersen shows conceptual thinking in a mini-lesson on causal patterns at varying scale.


TERMS
Patterns - regularity in
the world
Scale - the relative size or exte
nt of something
System - a set...

During the period of rapid industrialization at the turn of the 20th century, factory jobs were incredibly unsafe. That is, until Dr. Alice Hamilton basically became an investigative reporter to figure out how factories were poisoning...

"I Don't Think It Means What You Think It Means" examines scientific theories that have taken on a life of their own in popular culture & we help you understand what they really mean in scientific terms. Today we take on Schrodinger's...

You know that little pink thing nestled in the corner of your eye? It's actually the remnant of a third eyelid. In humans, it's vestigial, meaning it no longer serves its original purpose. There are several other vestigial structures in...

Try CuriosityStream todayef='http://curiositystream.com/crashcourse' target='_blank' rel='nofollow'>today and use the promo code "crashcourse" to get the first two months free! Is Citizen Kane the BEST MOVIE EVER MADE? Is that even...

Centuries of inequality can't be solved with access to technology alone -- we need to connect people with training and support too, says tech inclusionist 'Gbenga Sesan. Sharing the work behind the Paradigm Initiative, a social...

When global leaders think about which industries can fuel economic growth, the arts are often overlooked. But filmmaker Mehret Mandefro says the creative sector actually has the power to grow economies -- while also helping safeguard...

Welcome back to SciShow Quiz Show! Katelyn Salem of Kate Tectonics competes against Googleable internet sensation, Hank Green.

Who takes the pictures in a movie? Who is responsible for making a movie look good, or creating meaning with light and shadow, or make an action scene clear and thrilling? A lot of the time, that's the job of the cinematographer. In this...

Usually, the 160,000 kilometers of blood vessels in your body work incredibly smoothly. However, the forces of age, weight gain, and gravity can conspire to cause lumpy varicose veins.

Squeaks and Jessi made a new friend, Cassie the puppy! They gave her a bath after playing in the mud, but now she smells even worse than before! Why do wet dogs smell so bad?!

Fiorenzo Omenetto shares 20+ astonishing new uses for silk, one of nature's most elegant materials -- in transmitting light, improving sustainability, adding strength and making medical leaps and bounds. On stage, he shows a few...

As computers have gotten more powerful, they’ve completely transformed how we explore the solar system. And along the way, the space industry has given computer science a boost too.

The more we rely on technology to make us efficient, the fewer skills we have to confront the unexpected, says writer and entrepreneur Margaret Heffernan. She shares why we need less tech and more messy human skills -- imagination,...

The idea that a collection of pixels can be sold for actual money might be confusing to some, as they are neither true "objects" you can hold nor "ideas" that can be considered intellectual property. But despite the lack of tangibility,...

We only know 4% of what the universe is made up of. Can we also know what lies beyond our galaxy ... and if there are undiscovered forms of matter? Luckily, we have space messengers - cosmic rays - that bring us physical data from parts...

Our friend the Giant Squid inspired a SciShow Kids viewer to write us and ask, 'What is squid ink, and can you write with it?' Jessi has the answers!

We need to eat food to fuel our bodies, but this special slug, called emerald elysia, can make food using sunlight - just like plants do!



All organisms have external parts. Different animals use their body parts in...